1202102101121 has 4 divisors (see below), whose sum is σ = 1202153210544. Its totient is φ = 1202050991700.

The previous prime is 1202102101099. The next prime is 1202102101129. The reversal of 1202102101121 is 1211012012021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202102101121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202102101096 and 1202102101105.

It is not an unprimeable number, because it can be changed into a prime (1202102101129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25519415 + ... + 25566476.

It is an arithmetic number, because the mean of its divisors is an integer number (300538302636).

Almost surely, 2^{1202102101121} is an apocalyptic number.

It is an amenable number.

1202102101121 is a deficient number, since it is larger than the sum of its proper divisors (51109423).

1202102101121 is an equidigital number, since it uses as much as digits as its factorization.

1202102101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51109422.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1202102101121 its reverse (1211012012021), we get a palindrome (2413114113142).

The spelling of 1202102101121 in words is "one trillion, two hundred two billion, one hundred two million, one hundred one thousand, one hundred twenty-one".